For Kodak Esp 5250 Printer Head replacement, make sure your printer is on. Then, you need to lift the printer access door, and wait for the carriage till it moves to the access position. Next, remove both the ink cartridges and set them aside. Now, lift the button in the center of the carriage to unlatch the used printhead. Now, lift the used printhead out of the carriage and remove the new printhead from its bag. Also, remove the plastic protective cap. Then, you need to place the new printhead into the carriage. Push it firmly against the printhead’s target label until you hear a snap. Then, insert the black ink cartridge into the printhead and press down on the ink cartridge until you hear a click into position it. Repeat steps for the color ink cartridge. Lastly, close the printer access door to complete the Kodak Printer Head Replacement.